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gdal_vrt.h
Go to the documentation of this file.
1 /******************************************************************************
2 * $Id$
3 *
4 * Project: Virtual GDAL Datasets
5 * Purpose: C/Public declarations of virtual GDAL dataset objects.
6 * Author: Andrey Kiselev, dron@ak4719.spb.edu
7 *
8 ******************************************************************************
9 * Copyright (c) 2007, Andrey Kiselev <dron@ak4719.spb.edu>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 * DEALINGS IN THE SOFTWARE.
28 ****************************************************************************/
29
30 #ifndef GDAL_VRT_H_INCLUDED
31 #define GDAL_VRT_H_INCLUDED
32
39 #include "cpl_error.h"
40 #include "cpl_minixml.h"
41 #include "cpl_port.h"
42 #include "gdal.h"
43
45 #define VRT_NODATA_UNSET -1234.56
46
47 CPL_C_START
48
50 typedef CPLErr
51 (*VRTImageReadFunc)( void *hCBData,
52 int nXOff, int nYOff, int nXSize, int nYSize,
53 void *pData );
54
55 /* -------------------------------------------------------------------- */
56 /* Define handle types related to various VRT dataset classes. */
57 /* -------------------------------------------------------------------- */
59 typedef void *VRTAveragedSourceH;
60 typedef void *VRTAverageFilteredSourceH;
61 typedef void *VRTComplexSourceH;
62 typedef void *VRTDerivedRasterBandH;
63 typedef void *VRTDriverH;
64 typedef void *VRTFilteredSourceH;
65 typedef void *VRTFuncSourceH;
66 typedef void *VRTKernelFilteredSourceH;
67 typedef void *VRTRasterBandH;
68 typedef void *VRTRawRasterBandH;
69 typedef void *VRTSimpleSourceH;
70 typedef void *VRTSourceH;
71 typedef void *VRTWarpedDatasetH;
72 typedef void *VRTWarpedRasterBandH;
76 typedef void *VRTDatasetH;
78 typedef void *VRTSourcedRasterBandH;
79
80 /* ==================================================================== */
81 /* VRTDataset class. */
82 /* ==================================================================== */
83
84 VRTDatasetH CPL_DLL CPL_STDCALL VRTCreate( int, int );
85 void CPL_DLL CPL_STDCALL VRTFlushCache( VRTDatasetH );
86 CPLXMLNode CPL_DLL * CPL_STDCALL VRTSerializeToXML( VRTDatasetH, const char * );
87 int CPL_DLL CPL_STDCALL VRTAddBand( VRTDatasetH, GDALDataType, char ** );
88
89 /* ==================================================================== */
90 /* VRTSourcedRasterBand class. */
91 /* ==================================================================== */
92
93 CPLErr CPL_STDCALL VRTAddSource( VRTSourcedRasterBandH, VRTSourceH );
94 CPLErr CPL_DLL CPL_STDCALL VRTAddSimpleSource( VRTSourcedRasterBandH,
95 GDALRasterBandH,
96 int, int, int, int,
97 int, int, int, int,
98 const char *, double );
99 CPLErr CPL_DLL CPL_STDCALL VRTAddComplexSource( VRTSourcedRasterBandH,
100 GDALRasterBandH,
101 int, int, int, int,
102 int, int, int, int,
103 double, double, double );
104 CPLErr CPL_DLL CPL_STDCALL VRTAddFuncSource( VRTSourcedRasterBandH,
105 VRTImageReadFunc,
106 void *, double );
107
108 CPL_C_END
109
110 #endif /* GDAL_VRT_H_INCLUDED */
VRTImageReadFunc
CPLErr(* VRTImageReadFunc)(void *hCBData, int nXOff, int nYOff, int nXSize, int nYSize, void *pData)
Type for a function that returns the pixel data in a provided window.
Definition: gdal_vrt.h:51
GDALDataType
GDALDataType
Definition: gdal.h:60
CPLXMLNode
Document node structure.
Definition: cpl_minixml.h:66
cpl_minixml.h
Definitions for CPL mini XML Parser/Serializer.
cpl_port.h
Core portability definitions for CPL.
CPL_C_START
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:341
VRTAddSimpleSource
CPLErr VRTAddSimpleSource(VRTSourcedRasterBandH, GDALRasterBandH, int, int, int, int, int, int, int, int, const char *, double)
Definition: vrtsourcedrasterband.cpp:1192
VRTCreate
VRTDatasetH VRTCreate(int, int)
Definition: vrtdataset.cpp:86
GDALRasterBandH
void * GDALRasterBandH
Opaque type used for the C bindings of the C++ GDALRasterBand class.
Definition: gdal.h:258
VRTAddSource
CPLErr VRTAddSource(VRTSourcedRasterBandH, VRTSourceH)
Definition: vrtsourcedrasterband.cpp:932
VRTAddFuncSource
CPLErr VRTAddFuncSource(VRTSourcedRasterBandH, VRTImageReadFunc, void *, double)
Definition: vrtsourcedrasterband.cpp:1330
VRTAddBand
int VRTAddBand(VRTDatasetH, GDALDataType, char **)
Definition: vrtdataset.cpp:1079
VRTSerializeToXML
CPLXMLNode * VRTSerializeToXML(VRTDatasetH, const char *)
Definition: vrtdataset.cpp:338
gdal.h
Public (C callable) GDAL entry points.
cpl_error.h
CPL error handling services.
VRTSourcedRasterBandH
void * VRTSourcedRasterBandH
Opaque type for a VRT sourced raster band.
Definition: gdal_vrt.h:78
VRTAddComplexSource
CPLErr VRTAddComplexSource(VRTSourcedRasterBandH, GDALRasterBandH, int, int, int, int, int, int, int, int, double, double, double)
Definition: vrtsourcedrasterband.cpp:1271
VRTFlushCache
void VRTFlushCache(VRTDatasetH)
Definition: vrtdataset.cpp:218
VRTDatasetH
void * VRTDatasetH
Opaque type for a VRT dataset.
Definition: gdal_vrt.h:76
CPL_C_END
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:343
CPLErr
CPLErr
Error category.
Definition: cpl_error.h:52

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